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AP PHYSICS I – Syllabus Introduction: AP® Physics 1 is an algebra-based course in general physics that meets for 90 minutes each day for the entire school year. General physics topics presented during the course closely follow those outlined by the College Board and also mirrors an introductory level university physics course. AP® Physics 1 is organized around six big ideas that bring together the fundamental science principles and theories of general physics. These big ideas are intended to encourage students to think about physics concepts as interconnected pieces of a puzzle. The solution to the puzzle is how the real world around them actually works. The students will participate in inquiry-based explorations of these topics to gain a more conceptual understanding of these physics concepts. Students will spend less of their time in traditional formula-based learning and more of their effort will be directed to developing critical thinking and reasoning skills. Resources: th Giancoli, Douglas C. Physics: Principles with Applications – 6 ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2005 Teaching Resources: Gastineau, John, Kenneth Appel, Clarence Bakken, Richard Sorensen, David Vernier. Physics with Vernierst 1 ed. Beaverton, OR: Vernier Software & Technology, 2007 st Knight, Randall D., Brian Jones, Stuart Field. College Physics: A Strategic Approach – 1 ed. San Francisco, CA: Pearson Addison-Wesley, 2007 nd Walker, James S. Physics – 2 ed. Upper Saddle River, N: Pearson Prentice Hall, 2004 Big Ideas: Big Idea 1: Objects and systems have properties such as mass and charge. Systems may have internal structure. Big Idea 2: Fields existing in space can be used to explain interactions. Big Idea 3: The interactions of an object with other objects can be described by forces. Big Idea 4: Interactions between systems can result in changes in those systems. Big Idea 5: Changes that occur as a result of interactions are constrained by conservation laws. Big Idea 6: Waves can transfer energy and momentum from one location to another without the permanent transfer of mass and serve as a mathematical model for the description of other phenomena. Science Practices: SP 1: The student can use representations and models to communicate scientific phenomena and solve scientific problems. SP 2: The students can use mathematics appropriately. SP 3: The student can engage in scientific questioning to extend thinking or to guide investigations within the context of the AP course. SP 4: The student can plan and implement data collection strategies in relation to a particular scientific question. 0 SP 5: The student can perform data analysis and evaluation of evidence. SP 6: The student can work with scientific explanations and theories. SP 7: The student is able to connect and relate knowledge across various scales, concepts, and representations in across domains. Foundational Principles – Course Content UNIT Unit 1: Kinematics Unit 2: Dynamics CHAPTER(S) Section(s) Chapt. 01: Introduction, Measurement, Estimating 1-1 The Nature of Science 1-2 Physics and its Relation to Other Fields 1-3 Models, Theories, and Laws 1-4 Measurement and Uncertainty; Significant Figures 1-5 Units, Standards and the SI System 1-6 Converting Units 1-8 Dimensions and Dimensional Analysis Chapt. 02: Describing Motion – Kinematics in One Dimension 2-1 Reference Frames and Displacement 2-2 Average Velocity 2-3 Instantaneous Velocity 2-4 Acceleration 2-5 Motion at Constant Acceleration 2-6 Solving Problems 2-7 Falling Objects Chapt. 03: Kinematics in Two Dimensions, Vectors 3-1 Vectors and Scalars 3-2 Addition of Vectors – Graphical Methods 3-3 Subtraction of Vectors, and Multiplication of a Vector by a Scalar 3-4 Adding Vectors by Components 3-5 Projectile Motion 3-6 Solving Problems Involving Projectile Motion Chapt. 04: Dynamics – Newton’s Laws of Motion 4-1 Force 4-2 Newton’s First Law of Motion 4-3 Mass 4-4 Newton’s Second Law of Motion 4-5 Newton’s Third Law of Motion BIG IDEAS 2 3, 4 3, 4 1, 2, 3, 4 1 Unit 3: Energy Unit 4: Momentum Unit 5: Circular Motion and Gravitation Unit 6: Rotational Motion 4-6 Weight – the Force of Gravity; and the Normal Force 4-7 Solving Problems with Newton’s Laws: Free-Body Diagrams 4-8 Problems Involving Friction, Inclines 4-9 Problem Solving – A General Approach Chapt. 06: Work and Energy 6-1 Work Done by a Constant Force 6-3 Kinetic Energy and the Work-Energy Principle 6-4 Potential Energy 6-5 Conservative and Nonconservative Forces 6-6 Mechanical Energy and Its Conservation 6-7 Problem Solving Using Conservation of Mechanical Energy 6-8 Other Forms of Energy; Energy Transformations and the Law of Conservation of Energy 6-10 Power Chapt. 07: Linear Momentum 7-1 Momentum and Its Relation to Force 7-2 Conservation of Momentum 7-3 Collisions and Impulse 7-4 Conservation of Energy and Momentum in Collisions 7-5 Elastic Collisions in One Dimension 7-6 Inelastic Collisions 7-8 Center of Mass (CM) Chapt. 05: Circular Motion – Gravitation 5-1 Kinematics of Uniform Circular Motion 5-2 Dynamics of Uniform Circular Motion 5-3 Highway Curves, Banked and Unbanked 5-6 Newton’s Law of Universal Gravitation Chapt. 08: Rotational Motion 8-1 Angular Quantities 8-2 Constant Angular Acceleration 8-3 Rolling Motion (Without Slipping) 8-4 Torque 8-5 Rotational Dynamics; Torque and Rotational Inertia 8-6 Solving Problems in Rotational Dynamics 3, 4, 5 3, 4, 5 1, 2, 3, 4 1, 3, 4, 5 2 Unit 7: Simple Harmonic Motion Unit 8: Mechanical Waves Unit 9: Electrostatics Unit 10: DC Circuits 8-7 Rotational Kinetic Energy 8-8 Angular Momentum and Its Conservation Chapt. 11: Vibrations and Waves 11-1 Simple Harmonic Motion (SpringMass Systems) 11-2 Energy in the Simple Harmonic Oscillator 11-3 The Period and Sinusoidal Nature of SHM 11-4 The Simple Pendulum 11-5 Damped Harmonic Motion 11-6 Forced Vibrations; Resonance Chapt. 11: Vibrations and Waves 11-7 Wave Motion 11-8 Types of Waves: Transverse and Longitudinal 11-9 Energy Transported by Waves 11-11 Reflection and Transmission of Waves 11-12 Interference; Principle of Superposition 11-13 Standing Waves; Resonance Chapt. 12: Sound 12-1 Characteristics of Sound 12-2 Intensity of Sound: Decibels 12-4 Sources of Sound: Vibrating Strings and Air Columns 12-6 Interference of Sound Waves; Beats 12-7 Doppler Effect Chapt. 16: Electric Charge and Electric Field 16-1 Static Electricity: Electric Charge and Its Conservation 16-2 Electric Charge in the Atom 16-3 Insulators and Conductors 16-4 Induced Charge; the Electroscope 16-5 Coulomb’s Law 16-6 Solving Problems Involving Coulomb’s Law and Vectors 16-7 The Electric Field 16-8 Field Lines 16-9 Electric Fields and Conductors Chapt. 18: Electric Currents 18-1 The Electric Battery 18-2 Electric Current 18-3 Ohm’s Law: Resistance and Resistors 18-4 Resistivity 3, 4, 5 6 6 1, 2, 3, 5 1, 5 3 18-5 Electric Power Chapt. 19: DC Circuits 19-1 EMF and Terminal Voltage 19-2 Resistors in Series and in Parallel 19-3 Kirchoff’s Rules 1, 2, 5 LABORATORY INVESTIGATIONS AND THE SCIENCE PRACTICES The AP Physics 1 course devotes at least 25% of the time to laboratory investigations. The laboratory component of the course allows the students to demonstrate the seven science practices through a variety of investigations in all of the foundational principles. The initial labs have a mix of Confirmation and Structured Inquiry activities. In these introductory level activities students investigate a principle for which the results are already known, or investigate a teacher presented questions with a prescribed procedure. The students will then use guided– inquiry (GI) or open–inquiry (OI) in the design of their later laboratory investigations. Some labs focus on investigating a physical phenomenon without having expectations of its outcomes. In these experiments, the student does not have an expectation of its outcome based on concepts constructed from prior experiences. In application experiments (Projects), the students use acquired physics principles to address practical problems. Students also investigate topic-related questions that are formulated through student designed/selected procedures. All investigations are reported in a laboratory journal. Students are expected to record their observations, data, and data analyses. Data analyses include identification of the sources and effects of experimental uncertainty, calculations, results and conclusions, and suggestions for further refinement of the experiment as appropriate. UNIT LAB INVESTIGATION UNIT 1. KINEMATICS 1. Graph Matching (Structured Inquiry) Students will conduct qualitative analysis of graphs produced using a Motion Detector to aid in their understanding of basic kinematics concepts. Science Practices: 1.1, 1.2, 1.4, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2 2. Back and Forth Motion (Guided Inquiry) Students will analyze position, velocity and acceleration vs. time graphs and determine the proper placement of a motion detector in association with several systems that would yield similar results. Science Practices: 1.2, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 3. Cart on a Ramp (Structured Inquiry) Students will use a Motion Detector to collect and analyze position, velocity, and acceleration data for a cart rolling up and down a ramp. Science Practices: 1.4, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 4 6.4, 7.2 UNIT 2. DYNAMICS UNIT 3. ENERGY 4. Picket Fence Free Fall (Confirmation) Students will measure the acceleration due to gravity using a wide variety of timing methods. Science Practices: 1.4, 2.1, 2.2, 2.3, 4.1, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 5. Force Table Lab (Guided Inquiry) Students will conduct a comparative analysis of resultants of multiple vectors determined by using experimental, graphical, and analytical methods. Science Practices: 1.1, 1.2, 1.4, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 6. Projectile Motion Lab (Structured Inquiry) Students will collect and analyze various types of data on projectile motion under different launch conditions, and extrapolate the motion of projectiles. Science Practices: 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.3, 5.3, 6.1, 6.4, 7.2 7. Newton’s Second Law Lab (Guided Inquiry) Students will create an experimental setup to determine the relationship between force, mass and acceleration using dynamics carts. Science Practices: 1.1, 1.4, 1.5, 2.1, 2.2, 3.1, 3.2, 3.3, 4.1, 4.2, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 6.4, 7.2 8. Atwood Machine Lab (Structured Inquiry) Students will qualitatively and quantitatively determine the relationship between the two factors that influence the acceleration of a system. Science Practices: 1.1, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 9. Friction Lab (Guided Inquiry) Students will determine the relationship between several variables (surface type, surface area, Static vs Kinetic, etc.) and the force of friction that acts on an object. Science Practices: 1.1, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 10. Newton’s Third Law Lab (Confirmation) Students will demonstrate that the interaction between two objects follow Newton’s Third Law by determining the forces experienced by each object. Science Practices: 1.2,1.4,2.2,2.3, 3.3,4.3,5.1,6.1,6.2,7.2 11. Work Done on a Spring (Guided Inquiry) Students will determine the work done on a spring by interpreting force vs. displacement graphs created from experimental data. Science Practices: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 5 UNIT 4. MOMENTUM UNIT 5. CIRCULAR MOTION AND GRAVITATION UNIT 6. ROTATIONAL MOTION 12. Air Resistance Lab (Guided Inquiry) Students will determine the energy dissipated by air resistance as falling objects convert gravitational energy into kinetic energy. Science Practices: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 6.5, 7.2 13. Conservation of Momentum Lab (Confirmation) Students will utilize dynamic carts to demonstrate that momentum is conserved within a system. Science Practices: 1.4, 2.2, 2.3, 3.3, 4.1, 4.3, 5.1, 5.3, 6.1, 7.2 14. Impulse and Momentum Lab (Structured Inquiry) To measure the change in momentum of a dynamics cart and compare it to the impulse received. Science Practices: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 15. Inelastic and Elastic Collision Lab (Guided Inquiry) To investigate conservation of momentum and conservation of energy using dynamics carts to determine the type of collision. Science Practices: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.2, 5.3, 6.1, 6.2, 6.4, 7.2 16. Crash Safety Design Project (Open Inquiry) Students will apply principles of conservation of energy, conservation of momentum, impulse, inelastic and elastic collisions to investigate design features of vehicles. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 3.2, 3.3, 4.2, 4.4, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1, 7.2 17. Centripetal Acceleration Lab (Guided Inquiry) Students will determine the centripetal acceleration of an object rotating around a fixed point and the centripetal force required to maintain the objects motion. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 18. Torque Lab (Structured Inquiry) Students will investigate the relationship between force and the length of a lever arm on torque. Science Practices: 1.2, 1.4, 2.1, 2.2, 2.3, 3.3, 4.3, 5.1, 5.3, 6.2, 6.5 19. Rotational Inertia Lab (Guided Inquiry) To determine the rotational inertia of a cylinder from the slope of a graph of an applied torque versus angular acceleration. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 20. Conservation of Angular Momentum (Guided Inquiry) To investigate how the angular momentum of a rotating system responds to changes in the rotational inertia. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 6 UNIT 7. SIMPLE HARMONIC MOTION UNIT 8. MECHANICAL WAVES UNIT 9. ELECTROSTATICS UNIT 10. DC CIRCUITS 21. Pendulum Periods Lab (Guided Inquiry) Students will investigate the period of a simple pendulum as a function of amplitude, length, and mass. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 22. Simple Harmonic Motion Lab (Guided Inquiry) Students will determine the characteristics of a mass and spring system and construct a mathematical model of simple harmonic motion. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 23. Damped Harmonic Motion Lab (Open Inquiry) Students will investigate real world applications of Harmonic Motion Damping devices such as shock absorbers in cars or earthquake resistant buildings. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 3.2, 3.3, 4.2, 4.4, 5.1, 5.2, 5.3, 6.1, 6.2, 7.1, 7.2 24. Sound Waves and Beats Lab (Structured Inquiry) Students will measure the frequency, period, and amplitude of sound waves from tuning forks. Beats will be observed between the sounds of two tuning forks. Science Practices: 1.4, 3.1, 4.1, 4.2, 4.3, 5.1, 6.1, 6.4, 7.2 25. Speed of Sound (Guided Inquiry) Students will experimentally determine the speed of sound and compare this to the accepted value. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.3, 6.1, 6.4, 7.2 26. Static Electricity Lab (Guided Inquiry) Students use sticky tape and a variety of objects to make qualitative observations of the interactions when objects are charged, discharged, and recharged. Science Practices: 1.2, 3.1, 4.1, 4.2, 5.1, 6.2, 7.2 27. Coulomb’s Law Lab (Guided Inquiry) To estimate the charge on two identical, equally charged spherical pith balls of known mass. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 28. Ohms Law Lab (Guided Inquiry) Students will determine the relationship between voltage, current, and resistance in a circuit. Science Practices: 1.1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.3, 6.1, 6.4, 7.2 29. Series and Parallel Circuits (Guided Inquiry) Students will investigate the characteristics of series and parallel circuits. Data collected will be used to formulate Kirchhoff’s Laws. Science Practices: .1, 1.2, 1.4, 1.5, 2.1, 2.2, 3.1, 4.1, 4.2, 4.3, 5.1, 5.2, 5.3, 6.1, 6.4, 7.2 7 INSTRUCTIONAL ACTIVITIES Throughout the course, the students engage in a variety of activities designed to build the students’ reasoning skills and deepen their conceptual understanding of physics principles. Students conduct labs and projects that enable them to connect the concepts learned in class to real world applications. The Projects during which students engage in hands-on activities outside of the laboratory experience that support the connection to more than one Learning Objective are described in further detail below. Project: Crash Safety Design DESCRIPTION: Working in groups of two or three, students will design a small chassis that will be collided with a wall. The safety rating of each chassis design will be determined by the collection and interpretation of data from the crash. Students will present their findings to the entire class, who will peer review and critique their findings. Each group will defend their data collection strategies and method of data interpretation. The presentation should include the experimental setup, multiple representations of the change in momentum and acceleration experienced by the chassis to provide evidence for their claims. Students will use the mathematical expression of conservation of energy along with their graphs, and the corresponding kinetic and potential energy calculations to evaluate whether the chassis design worked acceptably at this scaled down level and its performance if scaled up. This activity is designed to allow students to apply the following Learning Objectives: Learning Objective 1.C.1.1 The student is able to design an experiment for collecting data to determine the relationship between the net force exerted on an object, its inertial mass, and its acceleration. Learning Objective 3.A.1.3 The student is able to analyze experimental data describing the motion of an object and is able to express the results of the analysis using narrative, mathematical, and graphical representations. Learning Objective 3.D.2.4 The student is able to design a plan for collecting data to investigate the relationship between changes in momentum and the average force exerted on an object over time. Learning Objective 4.B.2.2 The student is able to perform analysis on data presented as a force-time graph and predict the change in momentum of a system. Learning Objective 5.B.4.2 The student is able to calculate changes in kinetic energy and potential energy of a system using information from representations of that system. Project: Damped Harmonic Motion DESCRIPTION: This activity provides an opportunity for students to make interdisciplinary connections to geological and engineering systems by investigating the design and function of shock absorbers placed in vehicles and also large buildings to mitigate harmonic motion. Students will design and analyze a shock absorbing system that yields critical damping. They will analyze if their system causes overdamping or underdamping and what is necessary to correct that tendency. Students may use the Internet to research the structure of shock absorbers in vehicles and large buildings built in earthquake prone regions. They may use some material that are available in class or find materials from home to complete their design. In their lab journal, 8 students are required to document the different stages of their design. Required elements include design sketches, force diagrams, graphical and/or mathematical representations of damped harmonic systems. Students will present their findings to the entire class, who will peer review and critique their findings. Each group will defend their data collection strategies and method of data interpretation. This activity is designed to allow students to apply the following Learning Objectives: Learning Objective 3.B.3.1 The students is able to predict which properties determine the motion of a simple harmonic oscillator and what the dependence of the motion is on those properties. Learning Objective 3.B.3.2 The student is able to design a plan and collect data in order to ascertain the characteristics of the motion of a system undergoing oscillatory motion caused by a restoring force. Learning Objective 3.B.3.3 The student can analyze data to identify qualitative or quantitative relationships between given values and variables (i.e., force, displacement, acceleration, velocity, period of motion, frequency, displacement, acceleration, velocity, period of motion, frequency, spring constant, string length, mass) associated with objects in oscillatory motion to use that data to determine the value of an unknown. Learning Objective 5.B.4.2 The student is able to calculate changes in kinetic energy and potential energy of a system using information from representations of that system. Learning Objective 5.B.5.1 The student is able to design an experiment and analyze data to examine how a force exerted on an object or system does work on the object or system as it moves through a distance. 9